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Below you'll see everything we could locate for your search of “hlb”
In an interview at the Citrus Research Board’s (CRB) annual conference last month, Karen Ross, secretary of the California Department of Food and Agriculture (CDFA), said the present status of huanglongbing (HLB) disease is similar to another disease that challenged the California citrus industry years ago. Pierce’s disease was a potentially devastating threat long before HLB. “One of the things …
By Manjul Dutt and Jude W. Grosser Huanglongbing (HLB) threatens the survival of the Florida citrus industry. Both conventional cultivars and genetically engineered cultivars that can grow in the presence of HLB have been developed at the University of Florida’s Citrus Research and Education Center (CREC) in Lake Alfred. Among the two citrus improvement techniques, engineering citrus remains the fastest …
By Harold Browning Column sponsored by the Citrus Research and Development Foundation The effects of Hurricane Irma in early September on the Florida citrus industry were obvious and immediate. Serious loss of this year’s fruit crop, tree damage and standing water in groves were experienced. Every effort must be made to address these impacts on Florida citrus growers. The hurricane …
The long-time project manager for the Citrus Research and Development Foundation (CRDF) says the group formed to find solutions to HLB has done the best it can. Tom Turpen with Technology Innovation Group was recently honored for his service, which is being curtailed. Turpen actually began work with CRDF’s predecessor, the Florida Citrus Production Research Advisory Council, soon after HLB …
At Citrus Expo, Aaron Himrod of Himrod Citrus Nursery made the case for replanting citrus trees lost to HLB and other causes. “I think growers need to replant because we are having some success with young trees that we’re not having with older trees,” Himrod said. “The young trees are responding a lot better to our treatments. And we …
In a wide-ranging talk at Citrus Expo in August, University of Florida Institute of Food and Agricultural Sciences researcher Fred Gmitter discussed many topics important to growers. Subjects included making variety decisions when planting, surviving HLB, and the potential for lemons in Florida. He summarizes his discussion: “We can give information (about citrus varieties), but we don’t want to give …
In a Citrus Expo talk, University of Florida Institute of Food and Agricultural Sciences entomologist Phil Stansly focused on the importance of continuing to spray psyllids in groves already infected with HLB. The main reason to do that, he says, is to keep psyllids from re-inoculating trees with HLB by “pumping more and more bacteria into that tree.” He …
By Jaci Schreckengost One of the topics researchers and growers discussed at the 2017 Organic Food & Farming Summit was what can be done organically to combat huanglongbing (HLB), also known as citrus greening disease. Florida Organic Growers hosted the summit in Gainesville. It featured many workshops in which researchers and growers could discuss challenges and management practices. Tripti Vashisth, …
Ariel Singerman, economist with the University of Florida’s Institute of Food and Agricultural Sciences, reports on a grower survey he conducted regarding use of bactericides against HLB. “According to my survey, which included 62 growers accounting for approximately 160,000 acres, 92 percent of the growers applied bactericides,” Singerman says. “The majority did three applications, and they spent between $100 and …
At a recent meeting of the Citrus Research and Development Foundation’s (CRDF) Commercial Product Delivery Committee, approximately half of the agenda was devoted to bactericides and HLB-spreading psyllids. Reflective mulch that keeps psyllids away and field trials for HLB-resistant or tolerant rootstocks and scions were also addressed. CRDF Chief Operations Officer Harold Browning summarizes some of the discussions. “The issue …
Ears perked up in the Citrus Expo seminar hall last week when Lukasz Stelinski reported incidences of Asian citrus pysllid resistance to insecticides, “particularly the neonicotinoid group of insecticides in Florida.” The neonicotinoids have been a key weapon against the psyllids that have spread HLB to groves statewide. Stelinski, an entomologist with the University of Florida’s Institute of Food and …
By Ute Albrecht Tolerance to a disease is generally defined as the ability to be productive in the presence of disease-causing organisms. This is contrary to resistance, which is defined as the ability to completely evade a pathogen due to specific resistance mechanisms. The question as to what defines an HLB-“tolerant” rootstock was posed in an article by Bill Castle, …
Some of Florida’s “best” citrus growers recently told Citrus Research and Development Foundation (CRDF) researcher Jim Syvertsen how they try to cope with HLB. There was much agreement among the growers on fertilization, irrigation, the management of psyllids that spread HLB, and bactericides that have been used against HLB for more than a year. Syvertsen says a survey conducted …
By Jaci Schreckengost For grapefruit growers, huanglongbing (HLB) has been a huge issue, leading to many fears in the industry, including the fear of a shortage. Rob Atchley, general manager of citrus groves for Duda Farm Fresh Foods, says HLB makes crops vulnerable to new stresses the trees have not previously encountered. He says these stresses can turn into fruit …
By Jaci Schreckengost Due to the rapid rate huanglongbing (HLB) has affected citrus, researchers are working on new management techniques for the disease. Rhuanito “Johnny” Ferrarezi, assistant professor in citrus horticulture at the University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC), says research is being done to answer questions about how HLB …
A citrus tree in the city of Riverside tested positive for huanglongbing (HLB) disease. The detection is the first case of HLB found in a major citrus-producing county and the most northern in California. The California Department of Food and Agriculture (CDFA) confirmed the detection of HLB disease in a sample taken from a grapefruit tree located in a Riverside …
By Jaci Schrekengost As huanglongbing (HLB) continues to decimate citrus crops, researchers continue to search for new, efficient ways growers can manage the disease. HLB, also known as citrus greening disease, is vectored by the Asian citrus psyllid. The disease affects the entire tree, including the roots and fruit. Tripti Vashisth, assistant professor and citrus Extension specialist at the University …
California citrus farmers have their ears perked for all news related to Asian citrus psyllid (ACP), huanglongbing (HLB) disease and HLB research, but some of the very latest advances have been available only in highly technical research journals, often by subscription only. University of California (UC) Cooperative Extension scientists are now translating the research into readable summaries and posting them …
By Jaci Schreckengost All research at the Citrus Research and Education Center (CREC) at the University of Florida (UF) currently deals with huanglongbing (HLB) to help protect the citrus industry. “Even if we’re interested in looking into other things, this needs to be solved in order to be able to have an industry to work with in the future,” says …
California is adding funds to help the fight against HLB. Governor Brown signed the 2017 Budget Act this week, which authorizes $10 million to fight the spread of the invasive Asian citrus psyllid (ACP) insect and the deadly and incurable plant disease it can carry, huanglongbing (HLB). “California Citrus Mutual applauds Governor Brown and members of the California Legislature for …
